/Engine/Source/Runtime/MovieScene/Public/Tracks/MovieSceneSubTrack.h
Check whether this track contains the given sequence.
true if the sequence is in this track, false otherwise.
bool ContainsSequence ( const [UMovieSceneSequence](API\Runtime\MovieScene\UMovieSceneSequence) & Sequence, bool Recursively, const [UMovieSceneSection](API\Runtime\MovieScene\UMovieSceneSection) * SectionToSkip ) const